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Journal of Intelligent Construction 2023, 1(1): 9180003 https://doi.org/10.26599/JIC.2023.9180003
Research Article | Open Access | Issue | Published: 11 April 2023

Multi-scale and multi-chemo–physics lifecycle evaluation of structural concrete under environmental and mechanical impacts

Show Author's Information Zhao Wang1,  Fuyuan Gong2,  Koichi Maekawa3( )
Department of Civil Engineering, The University of Tokyo, Tokyo 113-8656, Japan
College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
Institute of Urban Innovation, Yokohama National University, Yokohama 240-8501, Japan
Keywords:
lifecycle evaluation, reinforced concrete structures, multi-scale modeling, multi-chemo-physical analysis, coupled deterioration
Cite this article:
Wang Z, Gong F, Maekawa K. Multi-scale and multi-chemo–physics lifecycle evaluation of structural concrete under environmental and mechanical impacts. Journal of Intelligent Construction, 2023, 1(1): 9180003. https://doi.org/10.26599/JIC.2023.9180003
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Abstract Full text About this article

This paper presents a multi-scale and multi-chemo–physics platform to evaluate the lifecycle of structural concrete under environmental and mechanical impacts. Following the scheme from nanometer scale of cement hydrated with water molecule to meter scale of reinforced concrete (RC) members, the platform covers characteristic upscaling based on causality and behavioral response toward both environmental and mechanical impacts. During the process, multi-chemo–physics is incorporated to tackle the local equilibrium and global movement, where the associating impact is also considered with mesoscale cracks. With this platform, long-term structural performances are captured while the coupled durability issue is also investigated.


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Multi-scale and multi-chemo–physics lifecycle evaluation of structural concrete under environmental and mechanical impacts

Show Author's information Zhao Wang1, Fuyuan Gong2, Koichi Maekawa3( )
Department of Civil Engineering, The University of Tokyo, Tokyo 113-8656, Japan
College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
Institute of Urban Innovation, Yokohama National University, Yokohama 240-8501, Japan

Abstract

This paper presents a multi-scale and multi-chemo–physics platform to evaluate the lifecycle of structural concrete under environmental and mechanical impacts. Following the scheme from nanometer scale of cement hydrated with water molecule to meter scale of reinforced concrete (RC) members, the platform covers characteristic upscaling based on causality and behavioral response toward both environmental and mechanical impacts. During the process, multi-chemo–physics is incorporated to tackle the local equilibrium and global movement, where the associating impact is also considered with mesoscale cracks. With this platform, long-term structural performances are captured while the coupled durability issue is also investigated.

Keywords: lifecycle evaluation, reinforced concrete structures, multi-scale modeling, multi-chemo-physical analysis, coupled deterioration

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Publication history
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Publication history

Received: 16 December 2022
Revised: 14 February 2023
Accepted: 24 February 2023
Published: 11 April 2023
Issue date: March 2023

Copyright

© The Author(s) 2023. Published by Tsinghua University Press.

Acknowledgements

Acknowledgements

The authors would like to express their sincere gratitude to Japan Society for the Promotion of Science (JSPS) for the support (Nos. 20F20367 and 20H00260).

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The articles published in this open access journal are distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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